Problem $2.(10$ pts$)$

With the information given in Problem $1,$ the managers of the Adm

Office know that students hate waiting in line before getting serve

will is $$\frac{10}{?}$ hour for every hour that each student waits in lines. T

student spends waiting, they know that they need to improve Jud

$($see the last problem$).$ They are currently considering the following

a$.$ Install a computer system, with which Judy expects to be

student request $40$ percent faster $($from $2$ minutes per requ

$12$ seconds, for example$).$

b$.$ Hire another temporary clerk working in parallel serving a

will work at the same rate as Judy.

If the computer costs $$50$ to operate per day, while the temporary

per day, is Judy right to prefer the hired help? Assume exponenti